captainzmc commented on a change in pull request #1736:
URL: https://github.com/apache/ozone/pull/1736#discussion_r549205140
##########
File path: hadoop-hdds/docs/content/feature/Quota.zh.md
##########
@@ -70,10 +84,35 @@ bin/ozone sh bucket setquota --space-quota 10GB
/volume1/bucket1
bucket的总配额
不应大于其Volume的配额。让我们看一个例子，如果我们有一个10MB的Volume，该volume下所有bucket的大小之和不能超过10MB，否则设置bucket
quota将失败。
+### Namespace quota
+命名空间配额是一个数字，其代表由多少个名字能够使用。这个数字不能超过Java long数据类型的最大值。
+
+#### Volume Namespace quota
+```shell
+bin/ozone sh volume create --namespace-quota 100 /volume1
+```
+这意味着将volume1的命名空间配额设置为100。
+
+```shell
+bin/ozone sh volume setquota --namespace-quota 1000 /volume1
+```
+此行为将volume1的命名空间配额更改为1000。
+
+#### Bucket Namespace quota
+```shell
+bin/ozone sh bucket create --namespace-quota 100 /volume1/bucket1
+```
+这意味着bucket1允许我们使用100的命名空间。
+
+```shell
+bin/ozone sh bucket setquota --namespace-quota 1000 /volume1/bucket1
+```
+该行为将bucket1的命名空间配额更改为1000。
+
#### 清除volume和bucket的配额
```shell
-bin/ozone sh volume clrquota --space-quota /volume1
-bin/ozone sh bucket clrquota --space-quota /volume1/bucket1
+bin/ozone sh volume clrquota --space-quota --namespace-quota /volume1
+bin/ozone sh bucket clrquota --space-quota --namespace-quota /volume1/bucket1
Review comment:
There's something wrong with the directory structure. At present is:
`#space quota`
……
`#namespace quota`
……
`## clear quota`
`## check quota and usage`
We can change it to:
`#space quota`
……
`## clear quota`
`## check quota and usage`
`#namespace quota`
……
`## clear quota`
`## check quota and usage`
or
`#space quota and namespace quota`
……
`## clear quota`
`## check quota and usage`
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